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Finding the Fourth Proportional to 22,007.79, 33,011.34 and 8,859.83

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Solution

The fourth proportional to 22,007.79, 33,011.34 and 8,859.83 is: 13,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.79 : 33,011.34 = 8,859.83 : x
  2. Step 2: Convert to fraction form
    22,007.79/33,011.34 = 8,859.83/x
  3. Step 3: Cross multiply
    22,007.79x = 33,011.34 × 8,859.83
  4. Step 4: Simplify right side
    22,007.79x = 292,474,695.42
  5. Step 5: Solve for x
    x = 292,474,695.42/22,007.79
  6. Step 6: Final answer
    x = 13,289.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.